/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package servlets;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.UnavailableException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author bruno
 */
public class loginServlet extends HttpServlet {

    Connection connection;
    
    @Override
    public void init() throws ServletException {
        super.init();      
        
        String conn = "jdbc:mysql://localhost:3306/SalaCines";
        String user = "root";
        String pass = "G00nSoftware";
        try {
            Class.forName("com.mysql.jdbc.Driver");
            connection = DriverManager.getConnection(conn, user, pass);

        } catch (Exception exc) {
            throw new UnavailableException("No se puedo instanciar el servlet" + exc.toString());
        }
    }
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {

            String user = request.getParameter("login");
            String pass = request.getParameter("password");
            
            if (user != null && pass != null) {
            
                PreparedStatement st = connection.prepareStatement("SELECT * FROM usuarios WHERE usuario = ? AND password = ?");
                
                st.setString(1, user);
                st.setString(2, pass);
                
                ResultSet rs = st.executeQuery();
                
                
                if (rs.next()) {
                    out.println("Anduvo");
                }
                else{
                    request.setAttribute("error", "Usuario / Password Invalido");
                    request.getRequestDispatcher("login.jsp").forward(request, response);
                }               
            }
            else{
                response.sendRedirect("error.jsp");
            }
            
        } catch (SQLException ex) {
            Logger.getLogger(loginServlet.class.getName()).log(Level.SEVERE, null, ex);
                    out.println("Te dio error");
        } finally {            
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
